Home / 134,560.88-201,575.64-78,259.40

Finding the Fourth Proportional to 134,560.88, 201,575.64 and 78,259.40

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Solution

The fourth proportional to 134,560.88, 201,575.64 and 78,259.40 is: 117,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,560.88 : 201,575.64 = 78,259.40 : x
  2. Step 2: Convert to fraction form
    134,560.88/201,575.64 = 78,259.40/x
  3. Step 3: Cross multiply
    134,560.88x = 201,575.64 × 78,259.40
  4. Step 4: Simplify right side
    134,560.88x = 15,775,188,641.02
  5. Step 5: Solve for x
    x = 15,775,188,641.02/134,560.88
  6. Step 6: Final answer
    x = 117,234.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.